> Source: [sk115419](https://support.checkpoint.com/results/sk/sk115419)

# sk115419 - "The current changes to object [OBJECT_NAME] parameters are invalid and therefore will be discarded" validation error when trying to disable IPS blade

| Property | Value |
|----------|-------|
| Solution ID | sk115419 |
| Date Created | 2017-01-09 |
| Last Modified | 2022-08-23 |
| Technical Level | General |
| Products | Security Gateway, Security Management Server |
| Versions | R82.10, R82, R81.20, R82.10, R82, R81.20, R82.20 |
| OS | Gaia |

## Symptoms

- * Unable to disable IPS blade on a Security Gateway.
* The following errors are displayed in SmartConsole:   
  1.

     ```
     
     Failed to save object [OBJECT_NAME]
     Server error is: A blocking validation error was found: One of the targets 
     specified in a Threat Rule 'installOnTargets' field doesn't comply with 
     the field's conditions. Either remove the gateway from 
     Threat-Prevention policy or enable IPS,Anti-Virus,Anti-Bot or Threat 
     Emulation on the gateway."
     
     ```

  2.

     ```
     The current changes to object "OBJECT_NAME" parameters are invalid 
     and therefore will be discarded
     ```

     <br />

* Cannot remove the object from the Threat Prevention policy since the 'Remove' option is grayed out.

## Cause

The Security Gateway exists on the 'InstallOn' field of one of the Threat Rules\\Exceptions.

## Solution

In order to disable the IPS blade , first perform the following:

1. Connect to SmartConsole.
2. Browse to the Security Policies tab.
3. Remove all occurrences of the relevant gateway/cluster on the "InstallOn" filed of the threat prevention rules and exceptions (you can find usages using the "Where Used" feature).  

   ![](https://sc1.checkpoint.com/sc/SolutionsStatics/sk115419/sk115419_31701102352.jpg)

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4. Publish the changes.

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5. Disable the IPS blade.

In case that the solution did not resolved the issue, Please [Contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/) to get a Hotfix for this issue.   
A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.   
For faster resolution and verification please collect [CPinfo](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk92739) files from the Security Management and Security Gateways involved in the case.

---

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